collaborators

6 papers

cs.CL2025

Stream RAG: Instant and Accurate Spoken Dialogue Systems with Streaming Tool Usage

Siddhant Arora, Haidar Khan, Kai Sun +14

End-to-end speech-in speech-out dialogue systems are emerging as a powerful alternative to traditional ASR-LLM-TTS pipelines, generating more natural, expressive responses with sig…

cs.CL2025

Knowledge Extraction on Semi-Structured Content: Does It Remain Relevant for Question Answering in the Era of LLMs?

Kai Sun, Yin Huang, Srishti Mehra +11

The advent of Large Language Models (LLMs) has significantly advanced web-based Question Answering (QA) systems over semi-structured content, raising questions about the continued…

cs.AI2025

Memory-QA: Answering Recall Questions Based on Multimodal Memories

Hongda Jiang, Xinyuan Zhang, Siddhant Garg +10

We introduce Memory-QA, a novel real-world task that involves answering recall questions about visual content from previously stored multimodal memories. This task poses unique cha…

cs.AI2025

Refine-n-Judge: Curating High-Quality Preference Chains for LLM-Fine-Tuning

Derin Cayir, Renjie Tao, Rashi Rungta +6

Large Language Models (LLMs) have demonstrated remarkable progress through preference-based fine-tuning, which critically depends on the quality of the underlying training data. Wh…

cs.CL2025

PrismRAG: Boosting RAG Factuality with Distractor Resilience and Strategized Reasoning

Mohammad Kachuee, Teja Gollapudi, Minseok Kim +10

Retrieval-augmented generation (RAG) often falls short when retrieved context includes confusing semi-relevant passages, or when answering questions require deep contextual underst…

cs.CV2024

VisualLens: Personalization through Task-Agnostic Visual History

Wang Bill Zhu, Deqing Fu, Kai Sun +8

Existing recommendation systems either rely on user interaction logs, such as online shopping history for shopping recommendations, or focus on text signals. However, item-based hi…